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ditch located above and immediately south of Coal Creek and the <br />Dutch Creek Flume. <br />The Project Areas is sub - divided into West, Central and East work <br />areas. Map 4, Project Area, depicts these areas. Demolition and <br />disposal will be accomplished at each work area as described below. <br />West Work Area <br />*Concrete foundations which supported the Sutey Refuse Disposal <br />Area conveyor and associated stacking equipment, wall and building <br />foundations are the dominant structures requiring demolition in <br />this area. This work area extends north across Coal Creek to <br />include conveyor belt foundations in that area. All concrete, <br />cinder block and asphaltic structures and materials located in the <br />West Work Area will be demolished to a depth of three feet (3') <br />below ground level as measured immediately adjacent to each <br />structure. <br />Rubble produced from this work area will be removed for disposal to <br />the back wall located at the southern portion of the work area. <br />The disposal area boundaries will be marked in the field by PROJECT <br />MANAGER. The rubble will initially be placed against the backwall, <br />and shall extend to no further than the perimeter of the disposal <br />area. The rubble shall be placed as tightly as possible within the <br />disposal area, and will be spread as evenly as possible from south <br />to north. Rubble shall be deposited in the disposal area in such <br />a manner so that void spaces are minimized, and so that the top of <br />the rubble is level. No piece of rubble or debris may exceed a <br />height of eighteen inches (18 ") above the mean elevation of the <br />surrounding material. The outslopes established by disposal of the <br />rubble may not exceed 3.5H:1V upon completion of the Project. The <br />height of rubble when placed in the area shall not exceed eight <br />feet (8') as measured from ground level immediately adjacent to the <br />disposal area. <br />Central Work Area <br />All concrete, block wall, and asphaltic materials as well as <br />miscellaneous debris and materials located within the designated <br />demolition area will be demolished and transported to the adjacent <br />disposal area. <br />Demolition will occur within a one hundred twenty feet (120') wide <br />corridor near the northern boundary of the work area. The <br />demolition corridor begins at the low concrete wall adjacent to the <br />perimeter ditch located just above and south of Coal Creek. The <br />demolition corridor extends south for one hundred twenty feet <br />(120'). The southern boundary of the demolition corridor shall be <br />marked in the field by PROJECT MANAGER. All concrete, block wall, <br />and asphaltic materials as well as miscellaneous debris and <br />materials located within the demolition corridor shall be <br />demolished to a minimum depth of three feet (3') below ground level <br />as measured from ground surface immediately adjacent to each <br />3 <br />